This hack takes advantage of all of these aspects to bring you an Arduino controlled CGA monitor. One problem with experimenting with one of these monitors is that they are not that well documented.

He wanted to do a little more with the equipment so he ditched the watch and built an Arduino-based heart rate monitor. He’s still using the chest strap and was happy to find that SparkFun sells ...

Battery monitors and testers determine the health and operating capability of batteries. Sometimes known as battery management devices, they can monitor charging levels, voltage and temperature ...

Usually, these units are monitors or analyzer or diagnostic system used as standalone instruments in a lab or as part of an OEM UPS, battery power supply, or other energy storage system. Portable / ...

Buying one of the best gaming monitors is important if you want to experience your favorite titles at the highest quality levels. If you’re fortunate enough to own a high-end gaming rig ...

The entire program is just 33 lines long, and you can opt to modify it to add more photoresistors to monitor for light ...

Learn how to build amazing Arduino dashboards for your next IoT project using the new Image Widget. Enhancing your Arduino ...

We may earn revenue from the products available on this page and participate in affiliate programs. Learn more › You can simplify and upgrade your desktop PC setup ...

Here's how to snag the best cheap monitor (or two of 'em!), plus top picks backed by our deep-dive reviews. Since 2004, I have worked on PCMag’s hardware team, covering at various times printers ...

When you buy through our links, we may earn a commission. Learn more› By Dave Gershgorn Dave Gershgorn is a writer covering monitors, laptops, and tablets. He is a certified display calibrator ...

You'll find plenty of under-$200 business and general-purpose monitors with screens in the 24-inch range. As a rule, they have very basic features and limited port selections. The HP 24mh offers ...